import Vue from 'vue'
import Router from 'vue-router'
import Login from '../components/Login.vue'
import Home from '../components/Home.vue'
import Welcome from '../components/Welcome.vue'
import User from '../components/user/User.vue'
import Rights from '../components/power/rights.vue'
import Roles from '../components/power/Roles.vue'
import Cate from '../components/goods/Cate.vue'
import Params from '../components/goods/Params.vue'
import List from '../components/goods/List.vue'
import Add from '../components/goods/add.vue'
import Order from '../components/order/order.vue'
import Report from '../components/report/Report.vue'
Vue.use(Router)


const router = new Router({
  routes:[
    {path:'/',redirect:'/login'},
    {path:'/login',component:Login},
    {path:'/home',component:Home,
    redirect:'/welcome'
    ,children:[
      {path:'/welcome',component:Welcome},
      {path:'/users',component:User},
      { path:'/rights',component:Rights},
      { path:'/roles',component:Roles},
      { path:'/categories',component:Cate},
      {path:'/params',component:Params},
      {path:'/goods',component:List},
      {path:'/goods/add',component:Add},
      {path:'/orders',component:Order},
      {path:'/reports',component:Report}
    ]}
  ]
})

router.beforeEach((to,from,next)=>{
  //to将要访问的路径
  //from 表示从哪个路径跳转而来 
  //next 函数  表示放行
  if(to.path === '/login')
  return next();

//获取token
const tokenStr = window.sessionStorage.getItem('token');

if(!tokenStr)
  return next('/login');

next();
})

export default router
